HMS E20 was a http://en.wikipedia.org/wiki/British_E_class_submarine - British E class submarine built by http://en.wikipedia.org/wiki/Vickers - Vickers , http://en.wikipedia.org/wiki/Barrow-in-Furness - Barrow-in-Furness . She was laid down on 25 November 1914 and was commissioned on 30 August 1915.

Service history

While the German Submarine UB-14 had been in port on 30 November, Turkish forces had captured the French submarine http://en.wikipedia.org/w/index.php?title=French_submarine_Turquoise_%28Q_46%29&action=edit&redlink=1 - Turquoise before the submarine or any of the confidential papers on board could be destroyed.http://en.wikipedia.org/wiki/HMS_E20#cite_note-Stern-30-0 - [1] When Turquoise was caught, her commander had not signaled her predicament to anyone, so a scheduled rendezvous with the British submarine E20—as far as anyone other than Turquoise or the Germans and Turks knew—was still on. UB-14 had been sent to keep the rendezvous,http://en.wikipedia.org/wiki/HMS_E20#cite_note-Stern-31-1 - [2] reportedly going so far as to radio messages in the latest British code.http://en.wikipedia.org/wiki/HMS_E20#cite_note-Grant-33-2 - [3] Upon arriving at the designated location, UB-14 surfaced and fired a torpedo at E20 from a distance of 500 metres (550 yd). Only when E20's crew saw the torpedo did they realize something was amiss, but it was too late to avoid the weapon.http://en.wikipedia.org/wiki/HMS_E20#cite_note-Stern-32-3 - [4] The torpedo hit E20's http://en.wikipedia.org/wiki/Conning_tower - conning tower and sank the submarine with the loss of 21 men.http://en.wikipedia.org/wiki/HMS_E20#cite_note-Stern-32-3 - [4]http://en.wikipedia.org/wiki/HMS_E20#cite_note-e_20-4 - [5]UB-14 rescued nine men, including E20's captain who,http://en.wikipedia.org/wiki/HMS_E20#cite_note-Stern-32-3 - [4] reportedly, had been http://en.wikipedia.org/wiki/Oral_hygiene - brushing his teeth at the time of the attack.http://en.wikipedia.org/wiki/HMS_E20#cite_note-Stern-34-5 - [6]